5.0 (4 Google reviews)
Certified RMP, RMS
Radon Pros in South Dakota
4 contractorsEPA zone context: South Dakota is largely Zone 1, with high predicted indoor radon potential across much of the state.
Certified Professional
Certified Professional
Certified RMP, RMS
Cardinal Complete Home Inspections LLC
Licensed Provider: John Adams
Testing Specialist•Belle Fourche, SD
5.0 (2 Google reviews)
Certified RMP
Data provided by Google Maps
Other areas with radon contractors
What to Do Next
Three steps to address radon in your South Dakota home.
Frequently Asked Questions: Radon in South Dakota
Testimonials
Recent homeowner results in South Dakota
Examples of homeowners who tested, mitigated, and confirmed lower radon levels in South Dakota.
“Radon levels were 8.2 pCi/L before the install and 0.6 on the follow-up test. The quote matched the scope and the crew finished in one day.”
Outcome
Reduced from 8.2 pCi/L to 0.6 pCi/L
Rachel M.
Belle Fourche, SD
“We compared two certified companies here and picked the one that explained the crawlspace plan clearly. Our monitor stayed below 1.5 the week after the system went live.”
Outcome
Post-install readings stayed below 1.5 pCi/L
Chris D.
Garretson, SD
“The site helped us find a contractor fast during escrow. They tested, installed mitigation, and documented the re-test so closing stayed on schedule.”
Outcome
Testing, mitigation, and re-test completed before closing
Patricia L.
Rapid City, SD
About Radon in South Dakota
EPA Zone Summary: South Dakota is largely Zone 1, with high predicted indoor radon potential across much of the state.
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Radon Guides for South Dakota
Articles and guides to help you understand radon risk and make informed decisions.
What Does Radon Mitigation Cost? A Homeowner's GuideRadon Levels by State: Where Is Radon Most Common?What Radon Level Is Dangerous?How to Choose a Radon Mitigation Contractor
Cornerstone Guides
Radon testing & monitoring products for South Dakota
Start with a low-cost test kit, or set up continuous monitoring after mitigation.
Test Your Home
Radon test kits from $10
Monitor Continuously
Digital radon detectors
DIY Supplies
Manometers, sealants & more
Affiliate disclosure: We may earn a small commission on purchases at no extra cost to you.
State Resources for South Dakota
Radon mitigation cost in South Dakota
Estimate likely project pricing by foundation type and system complexity.
Radon testing guide for South Dakota homes
Learn when and how to test, plus how to interpret pCi/L results.
Radon levels and EPA zones in South Dakota
See how state-level risk varies and what zone maps can and cannot tell you.
ZIP-level radon risk in South Dakota
Check projected local risk by ZIP code before contacting contractors.
All radon guides
Browse testing, mitigation, maintenance, and foundation guides.
Radon mitigation near me
Find nearby mitigation contractors by ZIP code distance.
Radon products for South Dakota homeowners
Compare top-rated test kits, monitors, and mitigation fans.
Browse radon services
Explore testing, mitigation, system design, and commercial radon services.
Are you a radon contractor in South Dakota? Get featured placement above organic results. Learn more